Module: ColorExtractor::Base

Defined in:
lib/juice_extractor/core/color_extractor.rb

Class Method Summary collapse

Class Method Details

.build_explicit_colors(val, attributes, max = nil) ⇒ Object 



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# File 'lib/juice_extractor/core/color_extractor.rb', line 24

def self.build_explicit_colors(val, attributes, max = nil)
  colors = JSON.parse(val)

  attributes.each do |prop|
    colors['containers'][prop] = colors['containers'][prop].compact.group_by.map{|e| [e, e.length]}.uniq.sort{|a,b| b[1] <=> a[1]}.map{|e| e[0].upcase }
    colors['typography'][prop] = colors['typography'][prop].compact.group_by.map{|e| [e, e.length]}.uniq.sort{|a,b| b[1] <=> a[1]}.map{|e| e[0].upcase }

    if max && max > 0
      colors['containers'][prop] = colors['containers'][prop][0..max-1]
      colors['typography'][prop] = colors['typography'][prop][0..max-1]
    end
  end

  colors
end

.color_explicit_cmd(site_url, attributes) ⇒ Object 



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# File 'lib/juice_extractor/core/color_extractor.rb', line 40

def self.color_explicit_cmd(site_url, attributes)
  phantom_script = File.expand_path(File.dirname(__FILE__) + "/../js/styles.phantom.js")
  puts "Running command: phantomjs #{phantom_script} #{site_url} #{ File.dirname(__FILE__) }/../ '#{attributes.to_json}' "
  `phantomjs #{phantom_script} #{site_url} #{ File.dirname(__FILE__) }/../ '#{attributes.to_json}'`
end

.screenshot(site_url, to_path = '/tmp') ⇒ Object 



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# File 'lib/juice_extractor/core/color_extractor.rb', line 20

def self.screenshot(site_url, to_path = '/tmp')
  Base.screenshot_cmd(site_url, to_path)
end

.screenshot_cmd(site_url, path) ⇒ Object 



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# File 'lib/juice_extractor/core/color_extractor.rb', line 46

def self.screenshot_cmd(site_url, path)
  image_name = "#{path}/#{rand(36**10).to_s(36)}.png"
  phantom_script = File.expand_path(File.dirname(__FILE__) + "/../js/screenshot.phantom.js")
  puts "Running command: phantomjs --load-images=no #{phantom_script} #{site_url} #{image_name} "
  res = `phantomjs --load-images=no #{phantom_script} #{site_url} #{image_name}`
  /.*.png/.match(res).to_s
end